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Re: Not cool enough, compared to new one
There is no nozzle to charge a window air conditioner. They are shipped from the factory as a hermetically sealed system. Befor getting into the sealed system there are some check points to do first. Check and make sure you have an even air flow across the condenser. That is the outside part of the unit. If you cant feel much air flow the condenser may need to be cleaned. The sealed system should not be worked on by someone who is not citified for that type of work.
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Hi, Recharging the coolant on a refrigerator is not something that the average person can do...an access valve must be installed, and beside the fact that the charging process is very very tricky, specialized equipment is also needed to do the job correctly...
Here is a tip that I wrote about how to add refrigerant to aair conditioner or cooling system
If you look under the hood/bonnet, you will see a resevoir with a black (possibly grey) and will have writing on it. With the engine cold, remove/unscrew the cap and you can add at this point. You should be able to see the level from the side and compare to the graduation marks on the side. The resevoir will be yellowish in color. Let me know if you need anything else.
There is a orifice in the line.On one side you will have high pressure.After the orifice you will have low pressure.Like having a garden hose with a small nozzel and putting the same size hose over the nozzel with the other end open.Not sure what the pressure is called for on that truck.May be higher pressure required.May want to try and find out what the required pressure is for your truck.
find that low side of the A C lines and add with a gauge the proper amount you may have some but not enough NOT too MUCH its takes only one 14 ounce can max so add a little turn on car as you do this turn on ac full blast and see if it turns cool faster OK
Does your car have a cap or a sealed unit? You don't want a sealed unit. You want to be able to check your water.Push down and Twist the cap off when cold, not hot, fill it up with coolant, 50/50 mix, and fill up the expansion tank. It says coolant on it. The car will balance itself out. Check the water in your battery while you are at it. It dries out too. Then check the brake fluid, power steering fluid, and oil. That should keep you busy next Saturday. Hope this helps.
There are some drop ins, but none are marketed for consumer products like this. Also, a new unit will use so much less electricity that you'd save enough money in a year or maybe two to pay the cost difference between the cost of recharge compared to new.
And....many times recharging units like this don't last long because they normally use a capillary tube in the system (instead of a thermal expansion valve). The cap tubes have a very small opening, and when the system is opened and recharged even very small contaminants can clog the cap tube later on and then the unit won't work.
Best bet is to get a new one.
You dont add coolant to centrl air systems. They have to be charged with the appropriate refrigerant by an EPA certified technician. If the unit seems to not be cooling sufficiently that would be your sign to call someone. this is generally an item checked on an annually cooling heating inspection and tune up. Unless the unit is very old or leaking refrigerant somewhere there really shouldn't be an issue since it is a closed system. Be sure you need a recharge before asking for one, it is not cheap by any means, depending on the type of refrigerant it can run you anywhere from 25-55 dollars per pound and the typical system takes 6-10 pounds to charge fully.
i think your radiator is leaking, or you need to add water to it, or you don't have enough antifreeze. i have an idea about the air conditioning... you most likely have a coolant leak. not enough coolant in your car. or your coolant is old...
hi! that symptom correspond hizzing sound on evaporator.factors are to be check before you can diagnose insusfficent cooling effect check your actual opearating current using clamp ammeter,set to amperes rating,clamp to one line source take thereading,compare reading on the tag locate at the backside of freezer there is rated ampers indicated.if you got low amper rating your system is under charge,thats the time you recharge your system by qualified ref/ac technician.but if you got high amper rating your filter need to replace as well as your refrigerant.check also the high side pressure by service pressure gauge manifold or the compressor discharge pressure if can compress to 300 to 500 psig.if not your compressor has loose compression.compressor is worn out.